Journal of Advanced Marine Engineering and Technology

The Korean Society of Marine Engineering (한국마린엔지니어링학회)
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Sensorless Speed Control of Induction Motor by Direct Torque Control with Numerical Model

수식모델의 직접토크제어에 의한 유도전동기의 센서리스 속도제어

  • Received : 2012.04.27
  • Accepted : 2012.08.27
  • Published : 2012.09.30
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Abstract

Various control algorithms have been proposed for the speed-sensorless control for an induction motor. These control schemes are mainly based on the speed feedback with the flux and speed estimations. This paper proposes another method for the speed-sensorless control for an induction motor. The proposed scheme is based on the torque and flux compensation without speed estimations, in which the same controlled stator voltage is applied to both the induction motor and the numerical model so that the differences between torques and fluxes of the model and the induction motor may be compelled to give access to zero. The results of experiment show the effectiveness of the scheme.

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References

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